It is important to know weather your advertizing is working or not and the only way to measure is number of visitors. It is important to have analytics on number of visitors so that you can get details about the visitors and effectivity of an advertising channel.
Until you start earning from your website it is better to use free tools and techniques. We have compiled some free tools to track your visitors.
AWStats comes pre-installed with cpanel and also you can install it manually on your VPS. AWStats goes deeper into the referring sites’ information than most analytics packages, and is a perfect tool for monitoring whether someone is hotlinking files from your site. Its a great tool to detect bandwidth thieves and also it gives almost all the functionality you need in a monitoring tool.
2. Google Analytics
Google Analytics is arguably the most popular analytics package available for individual site owners. Google Analytics can help you know visitors based on any location/region/network Provider/age group. One of its popular tool is User Flow which lets you know how user is interacting with you website.The package integrates with AdWords and has ecommerce-specific tools to track sales.
SiteMeter has a free version for smaller bloggers with up to 100,000 monthly visitors that offers all of the usual tools a webmaster can expect such as tracking referrals, visit duration and so on. If you are launching a larger site and need more tools, there is a paid version based on your volume of visitors.
StatCounter might have a rather simple interface, but it beautifully handles multi author blogs, so you can easily allocate unique codes for each authors. Despite its unpolished looks, the site does offer you clearly readable stats on things such as keywords, traffic sources, and other useful information.
W3Counter comes in both free and paid versions. With a free W3Counter account, you can track up to 5,000 page views a day across 10 websites and see all of the usual readable stats on things such as keywords, traffic sources, and other useful information. In addition, you can share your stats with anyone you like via widgets for your blog or an API that can help you build new tools for your website. For websites with higher traffic, you can go for the Pro account that allows you to track up to 1 million views a month.
If you have a suggestion feel free to add as a comment.